/Engine/Source/Runtime/UMG/Public/Binding/States/WidgetStateBitfield.h
Union of binary and enum states, allows for a single enum state to have multiple values in a bitfield. Unions will grow enum state set if allowance is same, otherwise the allowed set is maintained. Approximation of bitwise '|'. Commutative.
[FWidgetStateBitfield](API\Runtime\UMG\Binding\States\FWidgetStateBitfield) Union ( const [FWidgetStateBitfield](API\Runtime\UMG\Binding\States\FWidgetStateBitfield) & Rhs ) const